Home / 73,120.37-109,694.21-23,187.06

Finding the Fourth Proportional to 73,120.37, 109,694.21 and 23,187.06

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Solution

The fourth proportional to 73,120.37, 109,694.21 and 23,187.06 is: 34,784.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,120.37 : 109,694.21 = 23,187.06 : x
  2. Step 2: Convert to fraction form
    73,120.37/109,694.21 = 23,187.06/x
  3. Step 3: Cross multiply
    73,120.37x = 109,694.21 × 23,187.06
  4. Step 4: Simplify right side
    73,120.37x = 2,543,486,112.99
  5. Step 5: Solve for x
    x = 2,543,486,112.99/73,120.37
  6. Step 6: Final answer
    x = 34,784.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.